Forged steel piston lift check valve
APPLICATION STANDARDS:
1. Design and manufacture according to: API 602
2. Connection ends according to:
a) socket welded dimension according to ANSI B16.11;
b) screw thread dimension according to ANSI B1.20.1;
3. Test and inspection according to: API 598.
4. Structure features: B.B, W.B, PSB; OS&Y
5. Material conform to : ANSI/ASTM
6. Main Material: A105(N), LF2, F304(L), F316(L), F51, F91, F11, F22, F321, etc.